The reference library
The Field Guides
Everything we know about planning, written plainly.
Guides to planning projects and making Gantt charts, with tool tutorials and examples you can adapt. Written by the studio behind ganttchart.ai.
- In the library
- 19 field guides
- Departments
- 4
- Reading level
- Plain English
- Price
- Free to read
The fundamentals
Start here — the whole idea, in plain English, before any software.
- 01 Explainer What is a Gantt chart? What a Gantt chart shows, how to read it, and when to use one.
- 02 Explainer The critical path method How to find the longest chain of dependent tasks and assess its effect on the finish date.
- 03 Explainer What is a work breakdown structure? How to split a big job into pieces small enough to plan — and exactly where to stop splitting.
Planning, start to finish
Define the work, estimate durations, and build a schedule.
- 04 Field guide How to plan a project Five steps from defining the deliverable to drawing and maintaining a project schedule.
- 05 Field guide How to make a project timeline Build a timeline from milestones and phases, then decide whether you need a Gantt chart.
- 06 Field guide How to estimate a project Estimate task durations as ranges and allow a visible buffer for delays.
Drawing the chart
Instructions for generating a chart or building one in an app you already use.
- 07 The head guide How to make a Gantt chart Compare four ways to create a Gantt chart and learn the planning steps behind them.
- 08 Tutorial In Microsoft Excel The stacked-bar trick and the conditional-formatting grid, with the exact formulas to copy.
- 09 Tutorial In Google Sheets Three routes — stacked bars, the SPARKLINE formula, and timeline view — step by step.
- 10 Tutorial In PowerPoint Build a Gantt chart on a slide with stacked bars or shapes over a table.
- 11 Tutorial In Microsoft Word Two document-native ways — a table with the cells shaded in, and the stacked-bar trick — with the exact clicks.
- 12 Tutorial In Google Docs Create a shaded table or insert a chart linked from Google Sheets.
- 13 Tutorial In Notion Set up a task database, add Timeline view, and configure dependencies.
- 14 Tutorial In Jira Schedule epics in Timeline view and see how Jira handles date conflicts.
- 15 Tutorial In Microsoft Project Enter task durations and dependencies, use Auto Scheduled mode, and highlight the critical path.
- 16 Tutorial With ChatGPT Request Mermaid code or a task table, turn it into a chart, and check the schedule.
- 17 Buyer’s guide Do you need Gantt chart software? Compare manual charts with scheduling software and choose the features your project needs.
Worked references
Finished plans to read, copy, and bend to your own project.
The reference desk
The glossary
Every planning word that carries weight — task, dependency, slack, milestone, critical path — defined in a sentence, in plain English.
From the night shift
The journal
Longer-form notes on making small software — the thinking behind the tools, and the opinions the field guides only hint at.
Or skip the reading
Try making a chart
Describe your project to ganttchart.ai to generate a first schedule, then check the tasks and dates before sharing it.